US371884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal seal
Assignee: —
•
Filing: —
•
Granted: 1887-10-18
•
Expires: 1904-10-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/037; Y; Y10; Y10S; Y10S411/00; Y10S411/914; Y10T; Y10T292/00; Y10T292/48; Y10T292/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1890-10-17 | 1891-04-18 | 1891-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1894-10-17 | 1895-04-18 | 1895-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1898-10-17 | 1899-04-18 | 1899-10-18 | $7700.00 | Window Closed / Lapsed |